Preheat oven to 350°.,Combine butter, Crisco and sugar.,Add 1 egg at a time.,______,Add flour, baking powder and milk, a little at a time.,Beat at medium speed and add extracts.,(Add 1/2 cup chopped black walnuts, if desired.),Put in well-greased angel food cake pan.,Bake 1 hour and 15 minutes.